Quarterly report pursuant to Section 13 or 15(d)

Warehouse Lines of Credit (Details)

v3.22.1
Warehouse Lines of Credit (Details) - USD ($)
Mar. 31, 2022
Dec. 31, 2021
Line of Credit Facility [Line Items]    
Line of credit, Outstanding, current $ 8,162,000 $ 9,577,000
Liquid assets 46,216,000 54,450,000
Warehousing credit and security agreement    
Line of Credit Facility [Line Items]    
Liquid assets 15,000,000.0 15,000,000.0
Line of credit, Outstanding, noncurrent $ 2,300,000 $ 2,200,000
Warehousing credit and security agreement | London Interbank Offered Rate (LIBOR)    
Line of Credit Facility [Line Items]    
Libor interest rate 2.00%  
Warehousing credit and security agreement | London Interbank Offered Rate (LIBOR) | Minimum    
Line of Credit Facility [Line Items]    
Libor interest rate 2.00% 2.33%
Warehousing credit and security agreement | London Interbank Offered Rate (LIBOR) | Maximum    
Line of Credit Facility [Line Items]    
Libor interest rate 3.50% 2.09%
Master loan agreement    
Line of Credit Facility [Line Items]    
Variable Interest Rate 3.625%  
Maximum borrowing capacity $ 15,000,000.0 $ 15,000,000.0
Line of credit, Outstanding, current 2,400,000  
Liquid assets   4,300,000
Mortgage participation purchase agreement    
Line of Credit Facility [Line Items]    
Maximum borrowing capacity $ 25,000,000.0 25,000,000.0
Liquid assets   $ 3,100,000
Interest Rate 3.50%  
Line of credit, Outstanding, noncurrent $ 3,500,000